Engineers,inventors, students and others come together to design and test different methods and materials for improving stoves.

VOA: special.2010.02.01

This art shows the local needs and materials of a group of people.

VOA: special.2009.09.09

There are many shapes, colors and materials to choose from.

VOA: special.2009.02.16

The National Association of College Stores reported more than five billion dollars in sales of textbooks and course materials.

VOA: special.2009.09.03

But finer materials such as compost should only be two and a half to seven and a half centimeters high.

VOA: special.2009.06.23

It says for every ten dollar necklace sold, the beader gets two dollars and forty-three cents in money or materials.

VOA: special.2010.06.28

The Consumer Electronics Show has an area for companies to demonstrate products that save energy,reduce waste and use recycled materials.

VOA: special.2010.01.08

As part of the research project, nine farmers were given materials and trained how to build and use a hoop house.

VOA: special.2009.12.22

The American-operated ship carried thousands of tons of agricultural materials for the World Food Program and other aid organizations.

VOA: special.2009.05.27

The CES has an area for companies to demonstrate products that save energy, reduce waste and reuse materials.

VOA: special.2010.01.26

Ila Lewis and other jewelry makers say combining the materials into a finished piece generally takes less time than the design process.

VOA: special.2009.05.18

So,Mister Jarrett would take his recycling materials to the local center himself using his bicycle and a trailer.

VOA: special.2009.12.04

Written materials are also being provided to other countries through UNICEF, the United Nations children's and educational agency.

VOA: special.2010.07.15

Earlier this year, California invited content developers to offer digital math and science materials for high schools.

VOA: special.2009.08.27